STA Class #2: Multiple Linear Regression

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Last updated 2:38 AM on 2/27/25
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4 Terms

1
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What happens to R-squared when you add more variables to a model?

Increases

2
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Residual Standard Error indicates the average expected ____ of predicted values from actual values

deviation

3
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What percentage of predicted values should we expect to be within ± (2 x RSE) of actual values?
95% of predicted values.
4
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Multiple r-squared indicates the percentage of variability in the ___ variable explained by the predictors in the model.

y-variable